20 13
11 -1 -1 -1 -1 0 0 0 0 0 0 0 0 
7 0 0 0 0 -1 -1 -1 -1 0 0 0 0 
5 0 0 0 0 0 0 0 0 -1 -1 -1 -1 
5 -1 0 0 0 -1 0 0 0 -1 0 0 0 
5 0 -1 0 0 0 -1 0 0 0 -1 0 0 
6 0 0 -1 0 0 0 -1 0 0 0 -1 0 
6 0 0 0 -1 0 0 0 -1 0 0 0 -1 
-16 1 1 1 1 1 1 1 1 1 1 1 1 
0 1 0 0 0 0 0 0 0 0 0 0 0 
0 0 1 0 0 0 0 0 0 0 0 0 0 
0 0 0 1 0 0 0 0 0 0 0 0 0 
0 0 0 0 1 0 0 0 0 0 0 0 0 
0 0 0 0 0 1 0 0 0 0 0 0 0 
0 0 0 0 0 0 1 0 0 0 0 0 0 
0 0 0 0 0 0 0 1 0 0 0 0 0 
0 0 0 0 0 0 0 0 1 0 0 0 0 
0 0 0 0 0 0 0 0 0 1 0 0 0 
0 0 0 0 0 0 0 0 0 0 1 0 0 
0 0 0 0 0 0 0 0 0 0 0 1 0 
0 0 0 0 0 0 0 0 0 0 0 0 1 

